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Blue-violet Lasers

Laser pointers with 405 nanometers wavelength of light are also called blue violet laser pointers. Although it is rarely prefered to the green and red ones, it could be used for what others do, which also reflects the individual unique aesthetic taste. It is probably not as much preferred lasers as an astronomy laser pointer, because brighter colors would make an object more visible in the sky. However it comes down to all other uses such as pinpointing something on the large screen or on the blackboard.

Green Lasers

Green laser pointers is now the world's most popular laser pointers, because the green light than red light 6 times more than red light beam significantly, while the price is much cheaper than the blue and yellow. Green pen is the wavelength of light emitted 500-550nm, the wavelength sensitivity of the coefficient table, as is the closest one wavelength. Green is undoubtedly efficient light source, the eye more easily identified. The green light sensitivity of the human eye is higher than a lot of red; the other is green light scattering in the atmosphere more than red light.

Red Lasers

Red laser pointers, wavelength 630-670nm green laser pointer is more for longer. The first red pointer was released in the early 1980s. Nowadays, the red laser diode technology has been very mature. More durable, the price is much more cheaper than ever. More easily transmitted red light air, dust, water vapor, so the light path can be seen to need more power. 100 mW red laser pointers probably only about 20 milliwatts, and green. Do remember that red laser pointers are powerful since the light they emit is powerful when it hits a certain object and converges into a point.

Place to note

Now, more and more laser pointers and flashlights sold in the market are class IIIB with a power over 5mW. But when the laser directly penetrates into the eyes, there may be some damage. Especially to some high power laser pointers, diffuse light probably damage the eyes, the focus are more likely to ignite flammable materials. Therefore laser pointers are not a toy, not suitable for children. When operating high-power laser, wear special secure glasses would be safe, especially for the invisible laser. In a word, no matter how much power the laser power is, you need to avoid hitting into your eyes.

This 80mW 532nm Flashlight Style 852 Type Green Laser Pointer Pen with 18650 Battery is small and exquisite, portable and with richer applications. The laser pointer can be transformed into a "disco laser pointer" with its star cap. It's truly amazing light show, you'll be surprised with that many stars fill your space. This green laser pointer is also the best gift for friends and families.

Technical specifications

Key features

Green laser beam

Laser color

Green

Laser wavelength

532nm

Laser output power

80mW

Light type

Beam light

Power supply

1 x 18650 2200mAh 3.7V battery

Switch

Button

Operating voltage

3V-4.2V

Working mode

Continuous light

Laser range

500 - 5000meters

Working temperature

0ºC-40ºC

Storage temperature

0ºC-40ºC

Body material

Aluminum

Dimension

13.5 (L) x 2.5(D)cm / 5.31(L) x 0.98(D)inch

Weight

7.44oz

Insert the batteries from here

Its length and width

Laser comes out from here

Bright green laser

You can use the laser pointer pen for camping, architecture, SOS and astronomy

The "picture show" is only for your reference, please make the object as the standard.

Great laser, had an issue with the first one sent but the company worked everything out and got me a new one! Used it many times and it can reach miles away. Nothing but great experiences.

Date Added: 03/26/2012 by Mark Thompson

I am very happy with this 80mW green laser. The beam is bright and well defined. A 5mW green laser used to point at the stars at night does a nice job, but this 80mW green laser, very impressive.
What would be nice to include a charger for the 18650 rechargeable Lithium Ion battery as a bonus.

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